Home / 24,513.10-36,740.85-12,820.30

Finding the Fourth Proportional to 24,513.10, 36,740.85 and 12,820.30

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Solution

The fourth proportional to 24,513.10, 36,740.85 and 12,820.30 is: 19,215.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,513.10 : 36,740.85 = 12,820.30 : x
  2. Step 2: Convert to fraction form
    24,513.10/36,740.85 = 12,820.30/x
  3. Step 3: Cross multiply
    24,513.10x = 36,740.85 × 12,820.30
  4. Step 4: Simplify right side
    24,513.10x = 471,028,719.26
  5. Step 5: Solve for x
    x = 471,028,719.26/24,513.10
  6. Step 6: Final answer
    x = 19,215.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.